@conference{63256, author = {Michael Lombardi}, title = {Traceability in Time and Frequency Metrology}, year = {1999}, month = {1999-01-01}, publisher = {2nd Int. Conf. Metrology, Quality and Global Trade , New Delhi, IN}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105442}, language = {en}, }